change js logic to push max event limit to server
parse maxEvent parameter in server code
interface and server side impl for maxEvents
Merge pull request #132 from amatsukawa/limit_max_events

Limit max events. Thanks Aki!
Make AmbrosePPNL work in multithreaded environment with pig version 12+
Merge pull request #133 from aniket486/multithread_jc

Make AmbrosePPNL work in multithreaded environment with pig version 12+
Merge branch 'master' into hraven_service
merge master and fix compilation errors due to #132